788382225

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2903}}^1$

素因数の和:3007

約数の個数: 72

約数和(自身を含む): 1516724352

約数和(自身を除く): 728342127

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 71, 75, 85, 153, 213, 225, 255, 355, 425, 639, 765, 1065, 1207, 1275, 1775, 2903, 3195, 3621, 3825, 5325, 6035, 8709, 10863, 14515, 15975, 18105, 26127, 30175, 43545, 49351, 54315, 72575, 90525, 130635, 148053, 206113, 217725, 246755, 271575, 444159, 618339, 653175, 740265, 1030565, 1233775, 1855017, 2220795, 3091695, 3503921, 3701325, 5152825, 9275085, 10511763, 11103975, 15458475, 17519605, 31535289, 46375425, 52558815, 87598025, 157676445, 262794075, 788382225]

約数ペア:

[(1, 788382225), (3, 262794075), (5, 157676445), (9, 87598025), (15, 52558815), (17, 46375425), (25, 31535289), (45, 17519605), (51, 15458475), (71, 11103975), (75, 10511763), (85, 9275085), (153, 5152825), (213, 3701325), (225, 3503921), (255, 3091695), (355, 2220795), (425, 1855017), (639, 1233775), (765, 1030565), (1065, 740265), (1207, 653175), (1275, 618339), (1775, 444159), (2903, 271575), (3195, 246755), (3621, 217725), (3825, 206113), (5325, 148053), (6035, 130635), (8709, 90525), (10863, 72575), (14515, 54315), (15975, 49351), (18105, 43545), (26127, 30175)]